Jason Tedor 008296e2b6
Reorganize configuring Elasticsearch docs
This commit reorganizes some of the content in the configuring
Elasticsearch section of the docs. The changes are:
 - move JVM options out of system configuration into configuring
   Elasticsearch
 - move JVM options to its own page of the docs
 - move configuring the heap to important Elasticsearch settings
 - move configuring the heap to its own page of the docs
 - move all important settings to individual pages in the docs
 - remove bootstrap.memory_lock from important settings, this is covered
   in the swap section of system configuration

Relates #27755
2017-12-12 10:24:37 -05:00

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[[gc-logging]]
=== GC logging
By default, Elasticsearch enables GC logs. These are configured in
<<jvm-options,`jvm.options`>> and default to the same default location as the
Elasticsearch logs. The default configuration rotates the logs every 64 MB and
can consume up to 2 GB of disk space.